Predicted to enable acetylgalactosaminyltransferase activity. Predicted to be located in Golgi cisterna membrane. Predicted to be integral component of membrane. Is expressed in bronchiole; lung epithelium; metanephros; ureteric tip; and ureteric trunk. Orthologous to human B4GALNT4 (beta-1,4-N-acetyl-galactosaminyltransferase 4). [provided by Alliance of Genome Resources, Apr 2022]